Pressure balance structure for radiation source oil tank

By installing a flexible breathing bag inside the X-ray source tank, the problems of sealing structure fatigue and insulation medium contamination caused by pressure fluctuations are solved, achieving dynamic balance of pressure inside and outside the tank, improving the sealing and insulation performance of the equipment, and ensuring the electrical safety and thermal stability of the equipment.

CN121865485APending Publication Date: 2026-04-14YOFO MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202610049837.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-15
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing X-ray source oil tanks suffer from fatigue aging of the sealing structure and easy contamination of the insulating medium due to pressure fluctuations under high voltage conditions. Traditional pressure balancing solutions have problems with poor spatial adaptability and insufficient reliability.

Method used

A flexible breathing bag is installed inside the oil tank. Through its adaptive deformation response to the volume change of the insulating medium, a dynamic balance of pressure inside and outside the oil tank is achieved. The breathing bag, made of flexible material, is physically isolated from the insulating oil to avoid contact between oil and gas, thereby enhancing sealing and insulation performance.

Benefits of technology

It achieves dynamic pressure balance inside the oil tank, improves the long-term reliability and insulation performance of the sealing structure, prevents contamination inside the insulating oil tank, and ensures the electrical safety and thermal stability of the equipment under high voltage conditions.

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Abstract

The invention provides a pressure balancing structure for a radiation source oil tank, and relates to the technical field of medical imaging equipment, the pressure balancing structure comprises an oil tank main body and a balancing bag body, at least one radiation generating mechanism is arranged in the oil tank main body, the oil tank main body is filled with an insulating medium, and the balancing bag body is arranged in the oil tank main body and is communicated with an inner cavity of the oil tank main body; wherein the balance capsule body is deformed in response to the volume change of the insulating medium caused by the temperature change, so as to maintain the pressure balance inside and outside the oil tank main body. By arranging the breathing bag in the oil tank, the volume expansion and shrinkage of the insulating oil caused by temperature change can be automatically responded, so that the internal pressure of the oil tank is always kept in dynamic balance with the external atmospheric pressure, and the problem of pressure fluctuation caused by thermal expansion and cold contraction of the oil in the oil tank is avoided.
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